public class chapter12 {
    public static void main(String[] args) {
       int a =0;
            for (int i = 0; i <= 10000; i++) {
                if (i % 9 == 0) {
                    System.out.print(i+"\t");
                    a=a+1;
                    if(a%20==0)
                        System.out.print("\n");
                }
            }


    }
}
